Casella Integrating Sound Level Meter PC Download Kit

Item #:

CEL-430-A2-K2

Brand:

Casella

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Description

CEL-430-A2-K2 Integrating Sound Level Meter PC Download Kit by Casella

The CEL-430 Integrating sound level meter is a new design that encompasses many of the benefits of the existing CEL-450 and CEL-490 products in a simple and easy to use meter. All DSP technology ensures that the whole of the audio range of noise levels are covered by a single dynamic span. This eliminates the need to change ranges during a measurement and ensures that all the noise is captured faithfully and included in the overall result. All the most popular noise units are simultaneously calculated during the measurement and can be read off the large display or recorded for later download to the optional software package.

Key Benefits

Single 120 dB dynamic range covers all noise levels
Simple easy-to-use operation
Pre-configured setups for the most popular measurements
Available with ANSI/IEC type 1 and type 2 accuracy
Automatic recognition of calibrator when applied to microphone
Large custom LCD with automatic backlight
Memory for result storage
Pc software program for archiving and printing results
Meter can be remotely configured for special measurements from dB30 PC software
Fixed microphone and preamplifier for simplicity

Applications

Short term hand held measurements
workplace noise assessments
community noise measurements
noise nuisance monitoring
vehicle noise certification
simple survey meter for front line measurements
noise mapping around machines in the workplace
product noise testing
compliance measurements to local noise ordinances
real time output to personal computer

PC Software

The CEL-430.A meters are available with the optional dB30 dedicated Windows package download and control software. Record the measurements as normal and they will be stored in the meter�s memory for later transfer to the computer for printing. The dB30 software also allows the meter to be reconfigured, labeled and stored to suit new measurement requirements. These user defined setups will be ready to go when the meter is next used. A real time output is available for viewing the noise readings on the computer.

Specifications

Broadband measured parameters	Instantaneous level Lxy, maximum level Lxymx, minimum level Lxymn, peak level Lxpk, average level (Q=3) Lxeq, average level (Q=4) Lavg, average level (Q=5) Lavg, takmaximal levels Ltm³ & Ltm⁵, exposure level LxE,
Acoustic accuracy	ANSI S1.4 (R1997) type 1 and type 2, ANSI S1.43 1997, IEC 61672:2002, IEC 60651 : 1994, IEC 60804 : 2000
Microphone details	CEL-251 ½” precision electret capsule for type 1 models, CEL-253 ½” general purpose electret microphone for type 2 models (preamplifier is fixed with industry standard ½” thread)
Broadband frequency weightings	‘A’, ‘C’ and ‘Z’ (linear, un-weighted, all-pass level) simultaneously
Frequency response (Hz)	6.3 Hz to 30 kHz for -3 dB down points
Time weightings (response)	Slow and Fast for rms.
Peak frequency weighting	‘A’, ‘C’ or ‘Z’ separate from rms. weighting
Dynamic range for display	120 dB
Noise floor (dB)	16.5 ‘A’ weighted, 19.7 ‘C’ weighted, 23.4 ‘Z’ weighted
Maximum noise level (dB)	140 dB rms., 143 dB peak
Resolution (dB)	0.1 dB across whole measurement range
DSP sampling rate (Hz)	67,200 Hz sampling with true rms. values calculated digitally
Memory storage capability	100 complete runs each with the overall values of all parameters selected in the setup (maximum of 9 per run plus start date & time)
Storage method	Manually controlled by user via keypad Start and Stop keys
Duration for measurement	Variable up to 24 hours maximum per run controlled by user
Calibration method	Automatic detection of calibrator on microphone for both 1 kHz and 250 Hz frequency operation. Meter set to user pre-entered calibrator dB level, date, time and level of selected calibration is stored in meter
Configurations saved in memory	3 factory defaults plus 2 user configured setups using optional dB30 software
Analog outputs	AC signal 0.5 V rms. at 98 dB with 22 kΩ impedance (plus optional log DC output 0 to 2 V for 0 to 140 dB at 14.28 mV/dB)
Digital output	Download of stored data to pc or remote control of operations of meter via dB30 software via RS232 port at 19200 baud maximum
Keypad control	6 individual keys with auto backlight operation on key press
Screen languages for display	English, French, German, Italian, Spanish menu selectable
LCD screen display	128 x 64 pixel monochrome backlit display with icon indicators can show up to 9 parameters simultaneously on screen using Up/Down scroll keys
Size	13.4 x 4 x 1.5 in (340 x 100 x 40 mm)
Weight	19.3 oz (550 gm) plus batteries
Tripod socket	Standard camera thread (1/4 inch)
Internal power supply	4 off AA alkaline cells (15 hours typical maximum battery life)
External power supply	12 V dc at 150 mA nominal via 2.1 mm power connector